package StudyCode.summary.mycollection;

import java.util.Enumeration;
import java.util.HashMap;
import java.util.Hashtable;

/**
 * 版权所有 科技与人文(www.tah1986.com)
 */
public class CreateHashtableFromHashMap {
	public static void main(String[] args) {
		HashMap hMap = new HashMap();
		hMap.put("1", "One");
		hMap.put("2", "Two");
		hMap.put("3", "Three");

		Hashtable ht = new Hashtable();

		ht.put("1", "1");
		ht.put("4", "Four");

		System.out.println("拷贝前，Hashtable 内容:");
		Enumeration e = ht.elements();
		while (e.hasMoreElements())
			System.out.println(e.nextElement());

		ht.putAll(hMap);

		System.out.println("拷贝后，Hashtable 内容:");
		e = ht.elements();
		while (e.hasMoreElements())
			System.out.println(e.nextElement());

	}
}
